* {
    margin: 0;
    padding: 0;
    outline: 0;
}

$main_color: #e64032;
$text_color: #191a1b;
$gray_text_color: #797d82;
$border_color: #fbc21a;
$title_font_size: 16px;
$normal_font_size: 13px;
$mini_font_size: 12px;
$f4_color:#f4f4f4;
// 定义常用less函数
@mixin flex($jc: center, $ai: center) {
    display: flex;
    justify-content: $jc;
    align-items: $ai;
}

@mixin position($type: relative, $t: auto, $b: auto, $l: auto, $r: auto) {
    position: $type;
    top: $t;
    bottom: $b;
    left: $l;
    right: $r;
}